US 11,888,197 B2
Dual surface property composite fuel cell polymer electrolyte membrane
Karim Gadelrab, Boston, MA (US); Jonathan Mailoa, Cambridge, MA (US); Hejin Huang, Cambridge, MA (US); and Alfredo Alexander-Katz, Cambridge, MA (US)
Assigned to Robert Bosch GmbH, Stuttgart (DE); and Massachusetts Institute of Technology, Cambridge, MA (US)
Filed by Robert Bosch GmbH, Stuttgart (DE); and Massachusetts Institute of Technology, Cambridge, MA (US)
Filed on May 4, 2020, as Appl. No. 16/866,074.
Prior Publication US 2021/0344029 A1, Nov. 4, 2021
Int. Cl. H01M 8/1051 (2016.01); H01M 8/1027 (2016.01); H01M 8/1039 (2016.01)
CPC H01M 8/1051 (2013.01) [H01M 8/1027 (2013.01); H01M 8/1039 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A composite fuel cell polymer electrolyte membrane comprising:
a polymer electrolyte membrane base material including first and second inorganic particles, the first and second inorganic particles interspersed within the polymer electrolyte membrane base material and each other, the first and second inorganic particles having first and second surface properties, and the first surface property is hydrophobicity and the second surface property is hydrophilicity.